<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app">
    <!-- v-bind:  将标签的某一个属性变成动态属性，可以随时改变值 -->
    <input type="radio" v-model="msg" value="请输入社死发言">请输入社死发言
    <input type="radio" v-model="msg" value="永远也不会发言">永远也不会发言
    <br>
    <input type="text" :value="msg">
  </div>
  <script src="../vue.js"></script>
  <script>
    const vm = new Vue({
      el: '#app',
      data: {
        msg: '初始值'
      },
      methods: {

      }
    })
  </script>
</body>

</html>